3 years ago

Bradley spins the spinner below 30 times. A success occurs when the spinner lands on a number that is greater than 6.

Mathematics

1 answer:

Tju [1.3M]3 years ago

4 0

Answer:A. 1/4 - 3/4

Step-by-step explanation:For future students

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(5x+4)(5x-4) using FOIL method, multiply the terms in the binomials

Ksju [112]

Answer:

25x^2 - 16.

Step-by-step explanation:

(5x+4)(5x-4)

F = 5X*5X = 25X^2

O = 5x * - 4 = -20x

I = 4 + 5x = 20x

L = +4 * -4 = -16

So its

25x^2 - 20x + 20x - 16

= 25x^2 - 16.

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At a certain store the taco sauce was on sale for 1/5 off.with a coupon for an additional 40 cents off, the final cost of the sa

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Write an equivalent fraction for each whole number 6

Sidana [21]

3/2 I'm pretty sure that's a correct answer

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3 years ago

A traveling with thrill rides charges $9 for admission plus $1.50 for each ride you take. If you pay $19.50 total, how many ride

vichka [17]

Answer:

7 rides

Step-by-step explanation:

1. find the amount of money you spent on rides (total money spent - admission fee) = $19.50 - $9 = $10.50

2. find the number of rides you rode (money spent on rides/cost of each ride) = $10.50/$1.50 = 7

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3 years ago

In a recent Super Bowl, a TV network predicted that 25 % of the audience would express an interest in seeing one of its forthcom

AleksAgata [21]

Answer:

The right solution is "-8.25".

Step-by-step explanation:

The given values are:

Sampled people,

n = 150

Null and alternative hypotheses will be:

$H_0:p=0.53$

$Ha:p\neq 0.53$

The z-statistics will be:

⇒ $z=\frac{\bar{p}-p_0}{\sqrt{\frac{p_0(1-p_0)}{n} } }$

On substituting the values, we get

⇒ $=\frac{0.2-0.53}{\sqrt{\frac{0.53(1-0.53)}{150} } }$

⇒ $=\frac{-0.33}{\sqrt{\frac{0.24}{150}} }$

⇒ $=\frac{-0.33}{0.04}$

⇒ $=-8.25$

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3 years ago